1984 Ford Sierra vs. 2004 Opel Astra
To start off, 2004 Opel Astra is newer by 20 year(s). Which means there will be less support and parts availability for 1984 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1984 Ford Sierra would be higher. At 2,294 cc (6 cylinders), 1984 Ford Sierra is equipped with a bigger engine. In terms of performance, 1984 Ford Sierra (114 HP @ 5300 RPM) has 11 more horse power than 2004 Opel Astra. (103 HP @ 6000 RPM). In normal driving conditions, 1984 Ford Sierra should accelerate faster than 2004 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Astra weights approximately 260 kg more than 1984 Ford Sierra.
Because 1984 Ford Sierra is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1984 Ford Sierra. However, in wet, icy, snow, or gravel driving conditions, 2004 Opel Astra, being front wheel drive (FWD), will offer much better control with better grip. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 1984 Ford Sierra (176 Nm @ 3000 RPM) has 26 more torque (in Nm) than 2004 Opel Astra. (150 Nm @ 3900 RPM). This means 1984 Ford Sierra will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Astra. 1984 Ford Sierra has automatic transmission and 2004 Opel Astra has manual transmission. 2004 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1984 Ford Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1984 Ford Sierra | 2004 Opel Astra | |
| Make | Ford | Opel |
| Model | Sierra | Astra |
| Year Released | 1984 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 2294 cc | 1598 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 114 HP | 103 HP |
| Engine RPM | 5300 RPM | 6000 RPM |
| Torque | 176 Nm | 150 Nm |
| Torque RPM | 3000 RPM | 3900 RPM |
| Engine Bore Size | 90 mm | 79 mm |
| Engine Stroke Size | 60.1 mm | 81.5 mm |
| Engine Compression Ratio | 9.0:1 | 10.5:1 |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1115 kg | 1375 kg |
| Vehicle Length | 4420 mm | 4290 mm |
| Vehicle Width | 1730 mm | 1720 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2610 mm | 2700 mm |
| Fuel Tank Capacity | 60 L | 52 L |
